Description	The material is in the form of large and small colorless crystals free from clay, grit and other extraneous adulterants
Specification	• On Dry Basis NaCl: 99% (min) Ca++:0.08 %( max) Mg++:0.04 %( max) So4 :0.25 %( max) Water Insoluble: 0.15 %( max) Iodine : 10ppm (max) Moisture: 4 %( max) (5%during rainy season i.e Mid June to end September) Heavy Metal: NIL Crystal Size : 3-6mm (60%) Test Method as per IS 797 – 1982 (reprint 1998)